High-Frequency Topics and Common Mistake Analysis for Year 7 CCEA Psychology | Year 7 CCEA 心理学：高频考点与易错题分析

📚 High-Frequency Topics and Common Mistake Analysis for Year 7 CCEA Psychology | Year 7 CCEA 心理学：高频考点与易错题分析

Welcome to your essential revision guide for Year 7 CCEA Psychology. This article highlights the high-frequency topics that commonly appear in assessments and breaks down typical mistakes students make. Use this analysis to sharpen your understanding and boost your confidence.

欢迎阅读 Year 7 CCEA 心理学必考指南。本文聚焦高频考点，并剖析学生的常见易错题。用这份分析来加深理解、提升应考信心。

1. What is Psychology? | 心理学是什么？

Psychology is the scientific study of the mind and behaviour. Students often mistakenly think it is about reading minds or simply giving advice.

心理学是对心理和行为的科学研究。学生常误以为它是读心术或者只是给人提建议。

It is crucial to remember that psychologists use empirical methods, such as experiments and observations, to gather evidence.

关键要记住，心理学家使用实证方法（例如实验和观察）来收集证据。

Common mistake: confusing psychology with ‘common sense’ or psychiatry. Psychology is a science, not just intuition. Psychiatrists are medical doctors who can prescribe medication, while psychologists focus on therapy and research.

常见错误：将心理学与“常识”或精神病学混淆。心理学是一门科学，而非仅凭直觉。精神科医生是能开药的医学博士，而心理学家侧重治疗与研究。

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2. Research Methods: Variables and Ethics | 研究方法：变量与伦理

Understanding independent variable (IV), dependent variable (DV) and extraneous variables is a high-frequency exam topic. The IV is what the researcher deliberately changes; the DV is the outcome that is measured.

理解自变量 (IV)、因变量 (DV) 和额外变量是高频考点。自变量是研究者有意改变的变量；因变量是测量到的结果。

A classic mistake is swapping the IV and DV. If you are testing whether noise affects memory test scores, the noise level is the IV, and the memory test scores are the DV.

一个典型错误是把自变量和因变量搞反。如果你要测试噪音是否影响记忆测试成绩，噪音程度是自变量，记忆测试成绩是因变量。

Ethical considerations are equally important. Students often forget the key principles: informed consent, right to withdraw, protection from harm, and confidentiality.

伦理考量同样重要。学生常忘记关键原则：知情同意、退出权利、免受伤害和保密性。

Exam tip: when a question asks how to improve a study, mention at least one ethical guideline. For example, debrief participants after the study to explain the true purpose.

考试技巧：当题目问及如何改进一项研究时，至少提及一项伦理准则。例如，研究结束后向参与者解释真实目的。

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3. Memory: Sensory, Short-Term and Long-Term | 记忆：感觉记忆、短时记忆与长时记忆

The multi-store model describes memory as sensory memory, short-term memory (STM) and long-term memory (LTM). Sensory memory holds information for a fraction of a second, STM for about 20–30 seconds, and LTM potentially for a lifetime.

多存储模型将记忆描述为感觉记忆、短时记忆 (STM) 和长时记忆 (LTM)。感觉记忆保留信息几分之一秒，短时记忆约20–30秒，长时记忆可能永久保存。

One common mistake is thinking that all information automatically transfers to LTM. In reality, information is lost from STM through decay or displacement unless it is rehearsed.

一个常见错误是认为所有信息都会自动转入长时记忆。实际上，如果不加复述，信息会因衰退或干扰而从短时记忆中丢失。

Another error is confusing the capacity of STM. Miller’s research suggests STM can hold 7±2 items, but this can be increased through chunking.

另一个错误是混淆短时记忆的容量。米勒的研究指出短时记忆容量为7±2个项目，但通过组块可以增加。

The following table clarifies the differences often tested:

下表澄清了常考的区别：

Memory Type/记忆类型	Duration/持续时间	Capacity/容量	Encoding/编码
Sensory/感觉记忆	0.25–2 seconds	Very large	Sense-specific (e.g., iconic, echoic)
Short-term (STM)/短时记忆	18–30 seconds	7±2 items	Mainly acoustic
Long-term (LTM)/长时记忆	Up to a lifetime	Unlimited	Mainly semantic

Misunderstanding encoding leads to errors: STM encodes acoustically (by sound), which is why similar-sounding words can be confused.

误解编码方式会导致出错：短时记忆主要靠声音编码，所以发音相似的词容易混淆。

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4. Sensation vs Perception | 感觉与知觉的区别

The distinction between sensation and perception is a core topic. Sensation refers to the raw data our senses receive; perception is how the brain organises and interprets that data.

感觉与知觉的区别是核心课题。感觉指感官接收的原始数据；知觉是大脑如何组织和解释这些数据。

Students often phrase their answers incorrectly, stating ‘we see a table’ as sensation. In psychological terms, sensation is the detection of light patterns; perception is recognising it as a table.

学生常表述不当，把“我们看到一张桌子”当成感觉。心理学术语中，感觉是探测到光模式；知觉是把它识别为桌子。

Visual illusions, like the Ponzo illusion, are powerful exam examples. They demonstrate that perception is not always a faithful copy of reality.

视觉错觉，如庞佐错觉，是强有力的考试例子。它们说明知觉并非总是现实的忠实复制。

Common mistake: claiming that illusions prove our senses are faulty. Instead, they illustrate how the brain uses depth cues and context, leading to perceptual errors.

常见错误：声称错觉证明我们的感官有缺陷。实际上，它们说明大脑如何利用深度线索和情境，从而导致知觉错误。

To avoid losing marks, always use the terms ‘sensation’ and ‘perception’ precisely and refer to top-down and bottom-up processing where appropriate.

为避免失分，务必准确使用“感觉”和“知觉”这两个术语，并在适当时提及自上而下和自下而上的加工。

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5. Piaget’s Theory of Cognitive Development | 皮亚杰的认知发展理论

Piaget’s stage theory is a favourite in CCEA KS3 assessments. The four stages are sensorimotor (0–2 years), preoperational (2–7 years), concrete operational (7–11 years), and formal operational

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